3 institutions reported holding $200,310 of SPIRAX GROUP PLC-UNSP ADR (SPXSY) in SEC 13F filings for 2026-06-30. Largest institutional holders: RHUMBLINE ADVISERS ($105,596), GAMMA Investing LLC ($83,421), Salomon & Ludwin, LLC ($11,293). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RHUMBLINE ADVISERS | $105,596 | 2,309 | Added |
| 2 | GAMMA Investing LLC | $83,421 | 1,824 | Added |
| 3 | Salomon & Ludwin, LLC | $11,293 | 250 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30